07MT2700, R&D on all IPv6 based Fixed-Mobile convergence networking technology,
Hong Sung Back
Abstract
Internet의 빠른 성장으로 인한 IP Address의 고갈과 다양한 Application의 등장으로 Network은 IPv6로의 전환을 필요로 하고 있다. IPv6는 128-bits로 늘어날 주소 체계로 IPv4에 비해 LPM을 위한Lookup Table의 사이즈도 커질 것이기 때문에 대용량의 Lookup Table를 고속으로 처리하기 위한 방안이 필요하다. 이에 대한 해결책으로 하드웨어 기반의 고속의 TCAM을 사용하여 Lookup 성능을 향상시키려는 연구가 많이 되고 있긴 하지만, 최근 등장하고 있는 Priority-TCAM을 활용한 Lookup Table 구성방법에 대한 연구는 찾아 볼 수 없다. 본 논문에서는 Priority-TCAM과 기존 TCAM의 차이점을 기술하고 Priority-TCAM을사용하여 효율적으로 Lookup Table을 구성하고 운용할 수 있는 알고리즘을 기술한다.
KSP Keywords
look-up table
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